
Claritin and High Blood Pressure. This eMedTV page discusses the issues surrounding Claritin and high blood pressure. It explains why the drug is likely safe for people with this condition, explains why Claritin-D is not, and advises checking with your healthcare provider to be sure.

Claritin is an antihistamine, which means it blocks histamine from binding to histamine receptors and causing allergy symptoms. Since histamine is responsible for many of the symptoms of allergies, blocking it can be helpful.

Many women also worry about breastfeeding their children while taking Claritin. Claritin does pass through the breast milk, but it’s usually in such small amounts that there will be no side effects. The American Academy of Pediatrics says that Claritin is “usually compatible with breastfeeding” meaning that most infants will not experience negative side effects. Your pediatrician will usually be able to tell you what signs or symptoms to look for that suggest your baby will not tolerate the Claritin.

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